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Why is the oven temperature incorrect?
WARNING!
To avoid personal injury or death, disconnect your appliance from its power source
before you start any troubleshooting or repair work. Use caution when working inside any appliance.
The oven temperature control is usually controlled by a thermostat that uses a capillary and
liquid filled bulb. When the bulbs’ liquid gets heated up, it expands and puts pressure on a
diaphragm which opens and closes a switch that allows power to the heating element.
Just set the dial to what you need the temperature to be. Over time, it is possible for
your thermostat to lose its calibration.
Digital display models use a sensor to control temperature. If this is faulty,
replace it. Other ovens use a mechanical system to control the temperature.
On many models, you can adjust your oven thermostat using a small screwdriver.
The adjusting screw is located on the thermostat valve stem. Remove the oven thermostat
knob and you’ll see the screw underneath it. You want to turn the oven on and run it
through at least two cycles while watching a calibrating thermometer in the oven for high and low temperatures.
Adjust the screw as necessary to fine tune the temperature.
Some models don’t have an adjustable thermostat, and you will have to replace
the thermostat if you want to resolve the problem.
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